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A stretcher accidently rolls down an incline plane toward a plate glass barrier. The ramp is smooth and has a height of 20 inches at the top of the ramp and the ramp is 42 ft long. The weight of the stretcher is 250 pounds and the weight of the patient lying on the stretcher is 225 pounds, for a combined weight of 475 pounds.
Find the acceleration of the stretcher at impact if it starts to roll at the top of the ramp?
Find what force stretcher will impact the glass plate?
A small plane tows a glider at constant speed and altitude. If the plane does 2.09 105 J of work to tow the glider 130m, what is the angle between the two rope and the horizontal
An ore car of mass 4 000kg rolls downhill on tracks from a mine. At the end of the tracks, 10 m lower in elevation, is a spring with k = 400 000 N/m. How much is spring compressed in stopping the ore car? Ignore friction.
A length of aluminum wire has a resistance of 14.0 ? at 22.0°C. When the wire is warmed in an oven and reaches thermal equilibrium, Neglecting thermal expansion, find the temperature of the oven
A string on a violin is stretched between two points 20.0 cm apart with a tension of 120 N. The total length of the string is 31 cm and it has a mass of 0.62 grams. The frequency of the third harmonic is?
From a cliff 9.5 above a river, a young women of mass m = 45kg, jumps from rest, straight down into the water. At the instant she strikes the water, what is her de Broglie wave length
Plot B lamda for this temp, using linear axes. Either graphically or numerically, estimate the fraction of the total emission from an incandescent light bulb that falls within the visible portion of the spectrum
A fire helicopter carries a 620 kg bucket of water at the end of a 20 m long cable. determine the force exerted by air resistance on the bucket
A 2.00 kg block is placed against a spring on a frictionless 26° incline. The spring, whose spring constant is 19.8N/cm, compute the elastic potential energy of the compressed spring
A block of mass m=1.40 kg oscillates in simple harmonic motion due to the force of the spring to which the block is attached to. Express the displacement of the spring in terms of A when v= vm/2 and find its value
The small spherical planet called "Glob" has a mass of 6.06×1018 kg and a radius of 5.84×104 m. What was the initial speed of the rock as it left the astronaut's hand? (Glob has no atmosphere, so no energy is lost to air friction
Three forces are applied to a wheel of radius 0.290 m, as shown in the figure below. One force (F1 = 12.0 N) is perpendicular to the rim, one (F2 = 9.05 N) is tangent to it, and the other one (F3 = 13.3 N) makes a 40.0° angle with the radius. What..
A 2.0 ð‘˜ð‘" package is released on a frictionless ramp inclined 53.1 ° above the horizontal, What is the speed of the package just as it reaches the spring
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